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在 App Inventor 2 中使用图像 · App Inventor 2 中文网
...ppear to be low quality.
As Android evolved and MIT App Inventor matured, AI2 developers expressed a desire to design apps that looked good on tablets. Additionally newer Android devices are being shipped without the API 3 compatibility mode. This made MIT App Inventor apps use just a small secti...
Facebook Graph API v2.0+ - /me/friends returns empty, or only friends who also use my application
I am trying to get my friend name and ids with Graph API v2.0, but data returns empty:
7 Answers
...
How can I see the size of a GitHub repository before cloning it?
...tall jsonpretty json):
curl -u "YOURGITHUBUSERNAME" http://github.com/api/v2/json/repos/show/OWNER/REPOSITORY |
jsonpretty
Replace YOURGITHUBUSERNAME with your GitHub username (go figure).
Replace OWNER with the repository owner's Git username.
Replace REPOSITORY with the repository name.
Or ...
What is INSTALL_PARSE_FAILED_NO_CERTIFICATES error?
...config. As described here, Android 7.0 introduces a new signature scheme, V2. The V2 scheme signs the entire APK rather than just the JAR, as is done in the V1 scheme. If you sign with only V2, and attempt to install on a pre-7.0 target, you'll get this error since the JARs themselves are not sign...
Version number comparison in Python
...ad the sequences.
from itertools import izip_longest
def version_cmp(v1, v2):
parts1, parts2 = [map(int, v.split('.')) for v in [v1, v2]]
parts1, parts2 = zip(*izip_longest(parts1, parts2, fillvalue=0))
return cmp(parts1, parts2)
With lower versions, some map hackery is required.
de...
Visually managing MongoDB documents and collections [closed]
...ooster – full-featured shell-centric cross-platform GUI tool for MongoDB v2.2-4. Free, Personal, and Commercial editions (feature comparison matrix).
MongoDB Compass – provides a graphical user interface that allows you to visualize your schema and perform ad-hoc find queries against the databas...
Could not load file or assembly … The parameter is incorrect
... %TEMP%\Temporary ASP.NET Files C:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files C:\Windows\Microsoft.NET\Framework64\v2.0.50727\Temporary ASP.NET Files C:\Windows\Microsoft.NET\Framework64\v4.0.30319\...
Finding what branch a Git commit came from
...ea4 first merged onto master using the following minimal temporal path:
v2.6.12-rc3-450-g1f9c381 merged up at v2.6.12-rc3-590-gbfd4bda (Thu May 5 08:59:37 2005)
v2.6.12-rc3-590-gbfd4bda merged up at v2.6.12-rc3-461-g84e48b6 (Tue May 3 18:27:24 2005)
v2.6.12-rc3-461-g84e48b6 is on master
...
Difference between LoadFile and LoadFrom with .NET Assemblies?
... really,
really want exactly what is requested.
(*However, starting in v2, policy will
be applied to both LoadFrom() and
LoadFile(), so LoadFile() won't
necessarily be exactly what was
requested. Also, starting in v2, if an
assembly with its identity is in the
GAC, the GAC copy will ...
Breadth First Vs Depth First
...t[0].wasVisited = true;
displayVertex(0);
queue.insert(0);
int v2;
while (!queue.isEmpty()) {
int v1 = queue.remove();
// Until it has no unvisited neighbors, get one
while ((v2 = getAdjUnvisitedVertex(v1)) != -1) {
vertexList[v2].wasVisited = true...